Influence of Diene Content on the Photodegradation of Ethylene-Propylene-Diene (EPDM) Elastomers

Abstract:

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The photodegradation of EPDM based on dicyclopentadiene was followed by FTIR spectroscopy and the main photo-oxidation products were identified by derivatization reactions. It could be found that the photodegradation is initiated at the diene with formation of α,β–unsaturated carbonyl compounds and is then propagated to the ethylene-propylene segments. The propagation reactions are accelerated and, hence, the rate of photodegradation increases with the diene content.

Info:

Periodical:

Materials Science Forum (Volumes 514-516)

Edited by:

Paula Maria Vilarinho

Pages:

877-881

DOI:

10.4028/www.scientific.net/MSF.514-516.877

Citation:

G. Botelho et al., "Influence of Diene Content on the Photodegradation of Ethylene-Propylene-Diene (EPDM) Elastomers", Materials Science Forum, Vols. 514-516, pp. 877-881, 2006

Online since:

May 2006

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Price:

$35.00

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